TP112

TP112 100Base-TX/FX Converter Feature n n n n n General Description The TP112 is a single chip media converter for 100Base-TX to 100Base-FX. The TP112 support one 100Base-TX port over CAT5 twisted pair cable and one ECL interface to connect with fiber module to apply in 100Base-TX/FX converter application. On the 100Base-TX side, The TP112 is directly connected to external transformers The chip performs data recovery, clock recovery, adaptive equalization, auto negotiation, and baseline wander correction function. The TP112 is compliant with the IEEE 802.3u standard. 100Base-TX IEEE 802.3u compatible Full and Half duplex with Auto-negotiation Fully integrated adaptive equalizers 125MHz clock generator and clock recovery Include transmit waveform shaping to reduce EMI and filter Include baseline wander correction Support one TX interface and one Fiber module interface(ECL interface). Support transmit, receive/link, full duplex LED Single 5 Voltage supply operation 128-pin PQFP n n n n n Typical Application n 100Base-TX to 100Base-FX Converter FX Fiber Module TP112 TX 1 TP112-DS-P02 Jan 5, 2000 TP112 PIN Assignments AGND TXOM AGND AGND AGND AGND AGND AGND AGND AGND AVCC AVCC AVCC AVCC AVCC AVCC AGND AVCC NC NC NC 128 127 126 125 124 123 121 120 119 118 NC 117 116 115 114 113 112 111 110 109 108 107 106 105 104 122 103 AVCC TXOP RXIM RXIP FXRDP FXRDM FXSD AVCC AVCC NC FXTDM FXTDP AGND BGRES BGGND AVCC DVCC DGND FOR...